Subtract 2/42 from 7/25
7/25 - 2/42 is 122/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
7/25 = 7 × 42/25 × 42 = 294/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
2/42 = 2 × 25/42 × 25 = 50/1050 - Subtract the two like fractions:
294/1050 - 50/1050 = 294 - 50/1050 = 244/1050 - After reducing the fraction, the answer is 122/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/25-2/42 7/25-4/42 7/50-2/42 7/25-2/84 21/25-2/42 7/25-6/42 7/75-2/42 35/25-2/42 7/25-10/42 49/25-2/42 7/25-14/42